Steam dynamo-electric machine



(No Model.) 8' I 3 Sheets-Sheef'lf R. H. MATHER.

STEAM DYNAMO ELECTRIC 'MAGHI NE. No. 381,568. Patented Apr. 24, 1888.

(No Model.) 3 Sheets-Sheet 2.

R. H. MATHER.

STEAM DYNAMO ELECTRIC MACHINE.

' No. 381,568. Patented Apr. 24, 1888.

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(No Model.) 3 sheets sheet 3.

R. H. MATHBR.

STEAM DYNAMO ELECTRIC-MACHINE.

.NO. 381,568. 7 PatentedApr. 24,1888.

W W @k/lu wwq UNITED STATES PATENT OFFIoE.

RICHARD H. MATHER, OF WINDSOR, CONNECTICUT.

STEAM'DYNAMO-ELEC I'RlC MACHINE.

SPECIFICATION forming part of Letters Patent No. 331,568, dated Apri124,1888.

Application filed August 19, 1886. Serial No. 211,251.

To aZZ whom it may concern.-

Be it known that I, RICHARD H. MATHER, of Windsor, Hartford county,Connecticut, haveinveuted anew and useful Steam-Dynamo, of which thefollowing isa specification, illustrated by the accompanying drawings.

This invention is a combined steam-engine and dynamo-electric machine,and is designed to facilitate the conversion of steam-power intoelectric currents.

Figure 1 in the drawings is a side view of my steam-dynamo, parts beingcut away. Fig. 2 is an end view of the same. Fig. 3 is a centrallongitudinal section of a part of the steampipe, showing a method ofinsulation; and Fig. 4 is a vertical section of a steam-engine which isadapted to be used as an element of said steam-dynamo.

The numerals 1 and 2 denote the limbs of the field-magnet, which areconnected by polepieces, and are wound in the usual manner for theproduction of consequent poles 3 and 4. These pole-pieces arecylindrically concave toward each other. Two standards, 5 and 6, havingany convenient form, rise upon opposite sides of pole 4 and support asteam and exhaust pipe, which passes centrally between said limbs andbetween said poles, and carries a revolving steam-engine, 8. This engineis externally of a cylindrical form, and may be constructed in anyconvenient or desired manner.

By preference I adopt that mode of construction which is described in myapplica tion No. 199,323, filed April 19, 1886, for a patent onsteamengincs. A

According to the method of construction as illustrated in Fig. 4, aseries of steam-cylinders, 23, are disposed in radial positions aboutpipe 7 as a common axis of revolution, and are provided withreciprocating pistons 24, which are hinged to the inside of asurrounding rotary cylinder, 25. Pipe 7 is a stationary double crank,being a single hollow casting of irregular cylindrical form. Beingdivided by an internal diaphragm, 25, into two separate compartments,this pipe serves as a steam-pipe and also as an exhaust-pipe for saidcylinders.

Engine 8 is adapted to rotate upon pipe 7, between poles 3 and 4. Uponthe cylindrical (No model.)

exterior of engine 8 is securely mounted the cylindrical or ring-shapedarmature 9. The latter is preferably constructed upon the principle of aGramme ring, and is adapted to rotate with engine 8 between poles 3 and4. A convenient mode of constructing this armature and also of attachingthe same to engine 8 is illustrated in application No. 209,750,

which was'liled by David Williamson,July 30,

1886, for a patent on armatures for dynamoelectric machines. Acommutator, 10, whose segments are connected with the armatureeoils inthe usual manner, is mounted upon a which is not shown in the drawings,and is.

preferably located near the engine.

In order to effect the electrical insulation of the enginewithoutinterrupting the continuity of the steam-pipe, the latter isconstructed in two parts, 16 and 17, each of which has a flaring end orterminal annular flange, 18, and these two flanges, being separated fromeach other by numerous annular laminations of mica, 19, or by otherinsulating material in annular form, are drawn closely together uponsuch mica or other insulating material by screws or bolts 20, which arealso separated from flanges 18 by other annular insulation, 21.

This machine further presents all other features and particulars ofconstruction which are necessarily involved in the mode ofoperation,which is illustrated in the drawings, and is now to beexplained.

When steam is admitted to the engine, the operation of the latter is notunlike the opera tion of other engines of the same general de scription.The rotation of the engine, however, causes a like rotation of thearmature in the magnetic field of poles 3 and 4. The operation of thedynamo as such is not unlike that of any other dynamo in which aringarmature is rotated between the poles of a field-magnet. The resultis, that the power of the engine is applied to the armature directly andwithout intermediate shafling or gearing. Thus the conversion ofsteam-power into electric currents is facilitated.

All things which are shown and claimed in the above mentionedapplications are disclaimed with reference to the present case.

I claim as my invention-- 1. Adynamo-electric machinehavingaringarmature, in combination with a rotating or revolvingsteam-engine which is surrounded by said armature, substantially in themanner and for the purpose specified.

2. A dynamo-electric machine whose armature contains a steam-engine,substantially in the mannerand for the purpose specified.

8. A rotating; or revolving steam-engine having a general cylindricalform, in combination with a dynamo-electric armature, which is rigidlyattached to the periphery of said engine, substantially in the mannerand for the purpose specified.

4. A steamengine and a dynamo electric machine, combined in such amanner that the armature-shaft of the dynamo is utilized as a steam andexhaust pipe for the engine, substantially in the manner and for thepurpose specified.

5. A dynamo electric machine havinga steanreugine located between thepoles of the field-magnet, substantially in the manner and for thepurpose specified.

6. A steam-dynamo in which the steam-engine is mounted upon a hollowshaft, and 111 which the armature is mounted upon the engine,substantially in the manner and for the purpose specified.

7. Upon the armature-shaft of a dynamo electric machine, a steam-enginewhich is insulated from its boiler, substantially in the manner and forthe purpose specified.

8. A steam-dynamo, a steam boiler, and a connecting steam-pipe, incombination with steam-tight insulation which is inserted be tween twootherwise contiguous parts of said pipe, substantially in the manner andfor the purpose specified.

In testimony whereof I have hereunto set my name in the presence of twowitnesses.

RICHARD H. MATHER.

\Vitnesses:

W. M. BYORKMAN, WILLARD EDDY.

